Rare primate's vocal lip-smacks share features of human speech

The vocal lip-smacks that geladas use in friendly encounters have surprising similarities to human speech, according to a study reported in the Cell Press journal Current Biology on April 8th. The geladas, which live only ...

Cuckoos evolve to fool angry birds

(PhysOrg.com) -- Australian cuckoo birds have taken a new evolutionary step – mimicking the color of their host young to avoid certain death, according to a study by researchers from The Australian National University.